OK, I have solved the problem by installing WinZip and bypassing the Windows
ZIP file handler. I was able to extract the files with no problem.

Art

"Art" wrote:

> I am running Windows Vista Ultimate with Windows Defender Disabled and Norton
> Internet Security 2009 installed. Someone who is completely trusted sent me
> an email with an attachment. The attachment was defined as a ZIPP file. I
> copied the file to my desktop and renamed it to a ZIP file to access the
> enclosed files. Within the ZIP are four OCX files which I need to copy to my
> System32 directory.
>
> When I attempt to copy the files to any location in my computer, I get
> "Windows has found this file is potentially harmful. To help protect your
> computer, Windows has blocked access to this file." When I click on the "How
> does this help protect my computer." link it takes me to Windows Mail help.
> This has nothing to do with Windows Mail.
>
> Where can I adjust the Security settings in Windows to fix this problem